Sindbad~EG File Manager
<?php
/**
* Site/blog functions that work with the blogs table and related data.
*
* @package WordPress
* @subpackage Multisite
* @since MU (3.0.0)
*/
/**
* Update the last_updated field for the current site.
*
* @since MU (3.0.0)
*/
function wpmu_update_blogs_date() {
$site_id = get_current_blog_id();
update_blog_details( $site_id, array( 'last_updated' => current_time( 'mysql', true ) ) );
/**
* Fires after the blog details are updated.
*
* @since MU (3.0.0)
*
* @param int $blog_id Site ID.
*/
do_action( 'wpmu_blog_updated', $site_id );
}
/**
* Get a full blog URL, given a blog id.
*
* @since MU (3.0.0)
*
* @param int $blog_id Blog ID
* @return string Full URL of the blog if found. Empty string if not.
*/
function get_blogaddress_by_id( $blog_id ) {
$bloginfo = get_site( (int) $blog_id );
if ( empty( $bloginfo ) ) {
return '';
}
$scheme = parse_url( $bloginfo->home, PHP_URL_SCHEME );
$scheme = empty( $scheme ) ? 'http' : $scheme;
return esc_url( $scheme . '://' . $bloginfo->domain . $bloginfo->path );
}
/**
* Get a full blog URL, given a blog name.
*
* @since MU (3.0.0)
*
* @param string $blogname The (subdomain or directory) name
* @return string
*/
function get_blogaddress_by_name( $blogname ) {
if ( is_subdomain_install() ) {
if ( $blogname == 'main' )
$blogname = 'www';
$url = rtrim( network_home_url(), '/' );
if ( !empty( $blogname ) )
$url = preg_replace( '|^([^\.]+://)|', "\${1}" . $blogname . '.', $url );
} else {
$url = network_home_url( $blogname );
}
return esc_url( $url . '/' );
}
/**
* Retrieves a sites ID given its (subdomain or directory) slug.
*
* @since MU (3.0.0)
* @since 4.7.0 Converted to use get_sites().
*
* @param string $slug A site's slug.
* @return int|null The site ID, or null if no site is found for the given slug.
*/
function get_id_from_blogname( $slug ) {
$current_network = get_network();
$slug = trim( $slug, '/' );
if ( is_subdomain_install() ) {
$domain = $slug . '.' . preg_replace( '|^www\.|', '', $current_network->domain );
$path = $current_network->path;
} else {
$domain = $current_network->domain;
$path = $current_network->path . $slug . '/';
}
$site_ids = get_sites( array(
'number' => 1,
'fields' => 'ids',
'domain' => $domain,
'path' => $path,
) );
if ( empty( $site_ids ) ) {
return null;
}
return array_shift( $site_ids );
}
/**
* Retrieve the details for a blog from the blogs table and blog options.
*
* @since MU (3.0.0)
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param int|string|array $fields Optional. A blog ID, a blog slug, or an array of fields to query against.
* If not specified the current blog ID is used.
* @param bool $get_all Whether to retrieve all details or only the details in the blogs table.
* Default is true.
* @return WP_Site|false Blog details on success. False on failure.
*/
function get_blog_details( $fields = null, $get_all = true ) {
global $wpdb;
if ( is_array($fields ) ) {
if ( isset($fields['blog_id']) ) {
$blog_id = $fields['blog_id'];
} elseif ( isset($fields['domain']) && isset($fields['path']) ) {
$key = md5( $fields['domain'] . $fields['path'] );
$blog = wp_cache_get($key, 'blog-lookup');
if ( false !== $blog )
return $blog;
if ( substr( $fields['domain'], 0, 4 ) == 'www.' ) {
$nowww = substr( $fields['domain'], 4 );
$blog = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->blogs WHERE domain IN (%s,%s) AND path = %s ORDER BY CHAR_LENGTH(domain) DESC", $nowww, $fields['domain'], $fields['path'] ) );
} else {
$blog = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->blogs WHERE domain = %s AND path = %s", $fields['domain'], $fields['path'] ) );
}
if ( $blog ) {
wp_cache_set($blog->blog_id . 'short', $blog, 'blog-details');
$blog_id = $blog->blog_id;
} else {
return false;
}
} elseif ( isset($fields['domain']) && is_subdomain_install() ) {
$key = md5( $fields['domain'] );
$blog = wp_cache_get($key, 'blog-lookup');
if ( false !== $blog )
return $blog;
if ( substr( $fields['domain'], 0, 4 ) == 'www.' ) {
$nowww = substr( $fields['domain'], 4 );
$blog = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->blogs WHERE domain IN (%s,%s) ORDER BY CHAR_LENGTH(domain) DESC", $nowww, $fields['domain'] ) );
} else {
$blog = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->blogs WHERE domain = %s", $fields['domain'] ) );
}
if ( $blog ) {
wp_cache_set($blog->blog_id . 'short', $blog, 'blog-details');
$blog_id = $blog->blog_id;
} else {
return false;
}
} else {
return false;
}
} else {
if ( ! $fields )
$blog_id = get_current_blog_id();
elseif ( ! is_numeric( $fields ) )
$blog_id = get_id_from_blogname( $fields );
else
$blog_id = $fields;
}
$blog_id = (int) $blog_id;
$all = $get_all == true ? '' : 'short';
$details = wp_cache_get( $blog_id . $all, 'blog-details' );
if ( $details ) {
if ( ! is_object( $details ) ) {
if ( $details == -1 ) {
return false;
} else {
// Clear old pre-serialized objects. Cache clients do better with that.
wp_cache_delete( $blog_id . $all, 'blog-details' );
unset($details);
}
} else {
return $details;
}
}
// Try the other cache.
if ( $get_all ) {
$details = wp_cache_get( $blog_id . 'short', 'blog-details' );
} else {
$details = wp_cache_get( $blog_id, 'blog-details' );
// If short was requested and full cache is set, we can return.
if ( $details ) {
if ( ! is_object( $details ) ) {
if ( $details == -1 ) {
return false;
} else {
// Clear old pre-serialized objects. Cache clients do better with that.
wp_cache_delete( $blog_id, 'blog-details' );
unset($details);
}
} else {
return $details;
}
}
}
if ( empty($details) ) {
$details = WP_Site::get_instance( $blog_id );
if ( ! $details ) {
// Set the full cache.
wp_cache_set( $blog_id, -1, 'blog-details' );
return false;
}
}
if ( ! $details instanceof WP_Site ) {
$details = new WP_Site( $details );
}
if ( ! $get_all ) {
wp_cache_set( $blog_id . $all, $details, 'blog-details' );
return $details;
}
switch_to_blog( $blog_id );
$details->blogname = get_option( 'blogname' );
$details->siteurl = get_option( 'siteurl' );
$details->post_count = get_option( 'post_count' );
$details->home = get_option( 'home' );
restore_current_blog();
/**
* Filters a blog's details.
*
* @since MU (3.0.0)
* @deprecated 4.7.0 Use site_details
*
* @param object $details The blog details.
*/
$details = apply_filters_deprecated( 'blog_details', array( $details ), '4.7.0', 'site_details' );
wp_cache_set( $blog_id . $all, $details, 'blog-details' );
$key = md5( $details->domain . $details->path );
wp_cache_set( $key, $details, 'blog-lookup' );
return $details;
}
/**
* Clear the blog details cache.
*
* @since MU (3.0.0)
*
* @param int $blog_id Optional. Blog ID. Defaults to current blog.
*/
function refresh_blog_details( $blog_id = 0 ) {
$blog_id = (int) $blog_id;
if ( ! $blog_id ) {
$blog_id = get_current_blog_id();
}
clean_blog_cache( $blog_id );
}
/**
* Update the details for a blog. Updates the blogs table for a given blog id.
*
* @since MU (3.0.0)
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param int $blog_id Blog ID
* @param array $details Array of details keyed by blogs table field names.
* @return bool True if update succeeds, false otherwise.
*/
function update_blog_details( $blog_id, $details = array() ) {
global $wpdb;
if ( empty($details) )
return false;
if ( is_object($details) )
$details = get_object_vars($details);
$current_details = get_site( $blog_id );
if ( empty($current_details) )
return false;
$current_details = get_object_vars($current_details);
$details = array_merge($current_details, $details);
$details['last_updated'] = current_time('mysql', true);
$update_details = array();
$fields = array( 'site_id', 'domain', 'path', 'registered', 'last_updated', 'public', 'archived', 'mature', 'spam', 'deleted', 'lang_id');
foreach ( array_intersect( array_keys( $details ), $fields ) as $field ) {
if ( 'path' === $field ) {
$details[ $field ] = trailingslashit( '/' . trim( $details[ $field ], '/' ) );
}
$update_details[ $field ] = $details[ $field ];
}
$result = $wpdb->update( $wpdb->blogs, $update_details, array('blog_id' => $blog_id) );
if ( false === $result )
return false;
// If spam status changed, issue actions.
if ( $details['spam'] != $current_details['spam'] ) {
if ( $details['spam'] == 1 ) {
/**
* Fires when the 'spam' status is added to a blog.
*
* @since MU (3.0.0)
*
* @param int $blog_id Blog ID.
*/
do_action( 'make_spam_blog', $blog_id );
} else {
/**
* Fires when the 'spam' status is removed from a blog.
*
* @since MU (3.0.0)
*
* @param int $blog_id Blog ID.
*/
do_action( 'make_ham_blog', $blog_id );
}
}
// If mature status changed, issue actions.
if ( $details['mature'] != $current_details['mature'] ) {
if ( $details['mature'] == 1 ) {
/**
* Fires when the 'mature' status is added to a blog.
*
* @since 3.1.0
*
* @param int $blog_id Blog ID.
*/
do_action( 'mature_blog', $blog_id );
} else {
/**
* Fires when the 'mature' status is removed from a blog.
*
* @since 3.1.0
*
* @param int $blog_id Blog ID.
*/
do_action( 'unmature_blog', $blog_id );
}
}
// If archived status changed, issue actions.
if ( $details['archived'] != $current_details['archived'] ) {
if ( $details['archived'] == 1 ) {
/**
* Fires when the 'archived' status is added to a blog.
*
* @since MU (3.0.0)
*
* @param int $blog_id Blog ID.
*/
do_action( 'archive_blog', $blog_id );
} else {
/**
* Fires when the 'archived' status is removed from a blog.
*
* @since MU (3.0.0)
*
* @param int $blog_id Blog ID.
*/
do_action( 'unarchive_blog', $blog_id );
}
}
// If deleted status changed, issue actions.
if ( $details['deleted'] != $current_details['deleted'] ) {
if ( $details['deleted'] == 1 ) {
/**
* Fires when the 'deleted' status is added to a blog.
*
* @since 3.5.0
*
* @param int $blog_id Blog ID.
*/
do_action( 'make_delete_blog', $blog_id );
} else {
/**
* Fires when the 'deleted' status is removed from a blog.
*
* @since 3.5.0
*
* @param int $blog_id Blog ID.
*/
do_action( 'make_undelete_blog', $blog_id );
}
}
if ( isset( $details['public'] ) ) {
switch_to_blog( $blog_id );
update_option( 'blog_public', $details['public'] );
restore_current_blog();
}
clean_blog_cache( $blog_id );
return true;
}
/**
* Clean the blog cache
*
* @since 3.5.0
*
* @global bool $_wp_suspend_cache_invalidation
*
* @param WP_Site|int $blog The site object or ID to be cleared from cache.
*/
function clean_blog_cache( $blog ) {
global $_wp_suspend_cache_invalidation;
if ( ! empty( $_wp_suspend_cache_invalidation ) ) {
return;
}
if ( empty( $blog ) ) {
return;
}
$blog_id = $blog;
$blog = get_site( $blog_id );
if ( ! $blog ) {
if ( ! is_numeric( $blog_id ) ) {
return;
}
// Make sure a WP_Site object exists even when the site has been deleted.
$blog = new WP_Site( (object) array(
'blog_id' => $blog_id,
'domain' => null,
'path' => null,
) );
}
$blog_id = $blog->blog_id;
$domain_path_key = md5( $blog->domain . $blog->path );
wp_cache_delete( $blog_id, 'sites' );
wp_cache_delete( $blog_id, 'site-details' );
wp_cache_delete( $blog_id, 'blog-details' );
wp_cache_delete( $blog_id . 'short' , 'blog-details' );
wp_cache_delete( $domain_path_key, 'blog-lookup' );
wp_cache_delete( $domain_path_key, 'blog-id-cache' );
wp_cache_delete( 'current_blog_' . $blog->domain, 'site-options' );
wp_cache_delete( 'current_blog_' . $blog->domain . $blog->path, 'site-options' );
/**
* Fires immediately after a site has been removed from the object cache.
*
* @since 4.6.0
*
* @param int $id Blog ID.
* @param WP_Site $blog Site object.
* @param string $domain_path_key md5 hash of domain and path.
*/
do_action( 'clean_site_cache', $blog_id, $blog, $domain_path_key );
wp_cache_set( 'last_changed', microtime(), 'sites' );
/**
* Fires after the blog details cache is cleared.
*
* @since 3.4.0
* @deprecated 4.9.0 Use clean_site_cache
*
* @param int $blog_id Blog ID.
*/
do_action_deprecated( 'refresh_blog_details', array( $blog_id ), '4.9.0', 'clean_site_cache' );
}
/**
* Cleans the site details cache for a site.
*
* @since 4.7.4
*
* @param int $site_id Optional. Site ID. Default is the current site ID.
*/
function clean_site_details_cache( $site_id = 0 ) {
$site_id = (int) $site_id;
if ( ! $site_id ) {
$site_id = get_current_blog_id();
}
wp_cache_delete( $site_id, 'site-details' );
wp_cache_delete( $site_id, 'blog-details' );
}
/**
* Retrieves site data given a site ID or site object.
*
* Site data will be cached and returned after being passed through a filter.
* If the provided site is empty, the current site global will be used.
*
* @since 4.6.0
*
* @param WP_Site|int|null $site Optional. Site to retrieve. Default is the current site.
* @return WP_Site|null The site object or null if not found.
*/
function get_site( $site = null ) {
if ( empty( $site ) ) {
$site = get_current_blog_id();
}
if ( $site instanceof WP_Site ) {
$_site = $site;
} elseif ( is_object( $site ) ) {
$_site = new WP_Site( $site );
} else {
$_site = WP_Site::get_instance( $site );
}
if ( ! $_site ) {
return null;
}
/**
* Fires after a site is retrieved.
*
* @since 4.6.0
*
* @param WP_Site $_site Site data.
*/
$_site = apply_filters( 'get_site', $_site );
return $_site;
}
/**
* Adds any sites from the given ids to the cache that do not already exist in cache.
*
* @since 4.6.0
* @access private
*
* @see update_site_cache()
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param array $ids ID list.
*/
function _prime_site_caches( $ids ) {
global $wpdb;
$non_cached_ids = _get_non_cached_ids( $ids, 'sites' );
if ( ! empty( $non_cached_ids ) ) {
$fresh_sites = $wpdb->get_results( sprintf( "SELECT * FROM $wpdb->blogs WHERE blog_id IN (%s)", join( ",", array_map( 'intval', $non_cached_ids ) ) ) );
update_site_cache( $fresh_sites );
}
}
/**
* Updates sites in cache.
*
* @since 4.6.0
*
* @param array $sites Array of site objects.
*/
function update_site_cache( $sites ) {
if ( ! $sites ) {
return;
}
foreach ( $sites as $site ) {
wp_cache_add( $site->blog_id, $site, 'sites' );
wp_cache_add( $site->blog_id . 'short', $site, 'blog-details' );
}
}
/**
* Retrieves a list of sites matching requested arguments.
*
* @since 4.6.0
* @since 4.8.0 Introduced the 'lang_id', 'lang__in', and 'lang__not_in' parameters.
*
* @see WP_Site_Query::parse_query()
*
* @param string|array $args {
* Optional. Array or query string of site query parameters. Default empty.
*
* @type array $site__in Array of site IDs to include. Default empty.
* @type array $site__not_in Array of site IDs to exclude. Default empty.
* @type bool $count Whether to return a site count (true) or array of site objects.
* Default false.
* @type array $date_query Date query clauses to limit sites by. See WP_Date_Query.
* Default null.
* @type string $fields Site fields to return. Accepts 'ids' (returns an array of site IDs)
* or empty (returns an array of complete site objects). Default empty.
* @type int $ID A site ID to only return that site. Default empty.
* @type int $number Maximum number of sites to retrieve. Default 100.
* @type int $offset Number of sites to offset the query. Used to build LIMIT clause.
* Default 0.
* @type bool $no_found_rows Whether to disable the `SQL_CALC_FOUND_ROWS` query. Default true.
* @type string|array $orderby Site status or array of statuses. Accepts 'id', 'domain', 'path',
* 'network_id', 'last_updated', 'registered', 'domain_length',
* 'path_length', 'site__in' and 'network__in'. Also accepts false,
* an empty array, or 'none' to disable `ORDER BY` clause.
* Default 'id'.
* @type string $order How to order retrieved sites. Accepts 'ASC', 'DESC'. Default 'ASC'.
* @type int $network_id Limit results to those affiliated with a given network ID. If 0,
* include all networks. Default 0.
* @type array $network__in Array of network IDs to include affiliated sites for. Default empty.
* @type array $network__not_in Array of network IDs to exclude affiliated sites for. Default empty.
* @type string $domain Limit results to those affiliated with a given domain. Default empty.
* @type array $domain__in Array of domains to include affiliated sites for. Default empty.
* @type array $domain__not_in Array of domains to exclude affiliated sites for. Default empty.
* @type string $path Limit results to those affiliated with a given path. Default empty.
* @type array $path__in Array of paths to include affiliated sites for. Default empty.
* @type array $path__not_in Array of paths to exclude affiliated sites for. Default empty.
* @type int $public Limit results to public sites. Accepts '1' or '0'. Default empty.
* @type int $archived Limit results to archived sites. Accepts '1' or '0'. Default empty.
* @type int $mature Limit results to mature sites. Accepts '1' or '0'. Default empty.
* @type int $spam Limit results to spam sites. Accepts '1' or '0'. Default empty.
* @type int $deleted Limit results to deleted sites. Accepts '1' or '0'. Default empty.
* @type int $lang_id Limit results to a language ID. Default empty.
* @type array $lang__in Array of language IDs to include affiliated sites for. Default empty.
* @type array $lang__not_in Array of language IDs to exclude affiliated sites for. Default empty.
* @type string $search Search term(s) to retrieve matching sites for. Default empty.
* @type array $search_columns Array of column names to be searched. Accepts 'domain' and 'path'.
* Default empty array.
* @type bool $update_site_cache Whether to prime the cache for found sites. Default true.
* }
* @return array|int List of WP_Site objects, a list of site ids when 'fields' is set to 'ids',
* or the number of sites when 'count' is passed as a query var.
*/
function get_sites( $args = array() ) {
$query = new WP_Site_Query();
return $query->query( $args );
}
/**
* Retrieve option value for a given blog id based on name of option.
*
* If the option does not exist or does not have a value, then the return value
* will be false. This is useful to check whether you need to install an option
* and is commonly used during installation of plugin options and to test
* whether upgrading is required.
*
* If the option was serialized then it will be unserialized when it is returned.
*
* @since MU (3.0.0)
*
* @param int $id A blog ID. Can be null to refer to the current blog.
* @param string $option Name of option to retrieve. Expected to not be SQL-escaped.
* @param mixed $default Optional. Default value to return if the option does not exist.
* @return mixed Value set for the option.
*/
function get_blog_option( $id, $option, $default = false ) {
$id = (int) $id;
if ( empty( $id ) )
$id = get_current_blog_id();
if ( get_current_blog_id() == $id )
return get_option( $option, $default );
switch_to_blog( $id );
$value = get_option( $option, $default );
restore_current_blog();
/**
* Filters a blog option value.
*
* The dynamic portion of the hook name, `$option`, refers to the blog option name.
*
* @since 3.5.0
*
* @param string $value The option value.
* @param int $id Blog ID.
*/
return apply_filters( "blog_option_{$option}", $value, $id );
}
/**
* Add a new option for a given blog id.
*
* You do not need to serialize values. If the value needs to be serialized, then
* it will be serialized before it is inserted into the database. Remember,
* resources can not be serialized or added as an option.
*
* You can create options without values and then update the values later.
* Existing options will not be updated and checks are performed to ensure that you
* aren't adding a protected WordPress option. Care should be taken to not name
* options the same as the ones which are protected.
*
* @since MU (3.0.0)
*
* @param int $id A blog ID. Can be null to refer to the current blog.
* @param string $option Name of option to add. Expected to not be SQL-escaped.
* @param mixed $value Optional. Option value, can be anything. Expected to not be SQL-escaped.
* @return bool False if option was not added and true if option was added.
*/
function add_blog_option( $id, $option, $value ) {
$id = (int) $id;
if ( empty( $id ) )
$id = get_current_blog_id();
if ( get_current_blog_id() == $id )
return add_option( $option, $value );
switch_to_blog( $id );
$return = add_option( $option, $value );
restore_current_blog();
return $return;
}
/**
* Removes option by name for a given blog id. Prevents removal of protected WordPress options.
*
* @since MU (3.0.0)
*
* @param int $id A blog ID. Can be null to refer to the current blog.
* @param string $option Name of option to remove. Expected to not be SQL-escaped.
* @return bool True, if option is successfully deleted. False on failure.
*/
function delete_blog_option( $id, $option ) {
$id = (int) $id;
if ( empty( $id ) )
$id = get_current_blog_id();
if ( get_current_blog_id() == $id )
return delete_option( $option );
switch_to_blog( $id );
$return = delete_option( $option );
restore_current_blog();
return $return;
}
/**
* Update an option for a particular blog.
*
* @since MU (3.0.0)
*
* @param int $id The blog id.
* @param string $option The option key.
* @param mixed $value The option value.
* @param mixed $deprecated Not used.
* @return bool True on success, false on failure.
*/
function update_blog_option( $id, $option, $value, $deprecated = null ) {
$id = (int) $id;
if ( null !== $deprecated )
_deprecated_argument( __FUNCTION__, '3.1.0' );
if ( get_current_blog_id() == $id )
return update_option( $option, $value );
switch_to_blog( $id );
$return = update_option( $option, $value );
restore_current_blog();
return $return;
}
/**
* Switch the current blog.
*
* This function is useful if you need to pull posts, or other information,
* from other blogs. You can switch back afterwards using restore_current_blog().
*
* Things that aren't switched:
* - plugins. See #14941
*
* @see restore_current_blog()
* @since MU (3.0.0)
*
* @global wpdb $wpdb
* @global int $blog_id
* @global array $_wp_switched_stack
* @global bool $switched
* @global string $table_prefix
* @global WP_Object_Cache $wp_object_cache
*
* @param int $new_blog The id of the blog you want to switch to. Default: current blog
* @param bool $deprecated Deprecated argument
* @return true Always returns True.
*/
function switch_to_blog( $new_blog, $deprecated = null ) {
global $wpdb;
$blog_id = get_current_blog_id();
if ( empty( $new_blog ) ) {
$new_blog = $blog_id;
}
$GLOBALS['_wp_switched_stack'][] = $blog_id;
/*
* If we're switching to the same blog id that we're on,
* set the right vars, do the associated actions, but skip
* the extra unnecessary work
*/
if ( $new_blog == $blog_id ) {
/**
* Fires when the blog is switched.
*
* @since MU (3.0.0)
*
* @param int $new_blog New blog ID.
* @param int $new_blog Blog ID.
*/
do_action( 'switch_blog', $new_blog, $new_blog );
$GLOBALS['switched'] = true;
return true;
}
$wpdb->set_blog_id( $new_blog );
$GLOBALS['table_prefix'] = $wpdb->get_blog_prefix();
$prev_blog_id = $blog_id;
$GLOBALS['blog_id'] = $new_blog;
if ( function_exists( 'wp_cache_switch_to_blog' ) ) {
wp_cache_switch_to_blog( $new_blog );
} else {
global $wp_object_cache;
if ( is_object( $wp_object_cache ) && isset( $wp_object_cache->global_groups ) ) {
$global_groups = $wp_object_cache->global_groups;
} else {
$global_groups = false;
}
wp_cache_init();
if ( function_exists( 'wp_cache_add_global_groups' ) ) {
if ( is_array( $global_groups ) ) {
wp_cache_add_global_groups( $global_groups );
} else {
wp_cache_add_global_groups( array( 'users', 'userlogins', 'usermeta', 'user_meta', 'useremail', 'userslugs', 'site-transient', 'site-options', 'blog-lookup', 'blog-details', 'rss', 'global-posts', 'blog-id-cache', 'networks', 'sites', 'site-details' ) );
}
wp_cache_add_non_persistent_groups( array( 'counts', 'plugins' ) );
}
}
/** This filter is documented in wp-includes/ms-blogs.php */
do_action( 'switch_blog', $new_blog, $prev_blog_id );
$GLOBALS['switched'] = true;
return true;
}
/**
* Restore the current blog, after calling switch_to_blog()
*
* @see switch_to_blog()
* @since MU (3.0.0)
*
* @global wpdb $wpdb
* @global array $_wp_switched_stack
* @global int $blog_id
* @global bool $switched
* @global string $table_prefix
* @global WP_Object_Cache $wp_object_cache
*
* @return bool True on success, false if we're already on the current blog
*/
function restore_current_blog() {
global $wpdb;
if ( empty( $GLOBALS['_wp_switched_stack'] ) ) {
return false;
}
$blog = array_pop( $GLOBALS['_wp_switched_stack'] );
$blog_id = get_current_blog_id();
if ( $blog_id == $blog ) {
/** This filter is documented in wp-includes/ms-blogs.php */
do_action( 'switch_blog', $blog, $blog );
// If we still have items in the switched stack, consider ourselves still 'switched'
$GLOBALS['switched'] = ! empty( $GLOBALS['_wp_switched_stack'] );
return true;
}
$wpdb->set_blog_id( $blog );
$prev_blog_id = $blog_id;
$GLOBALS['blog_id'] = $blog;
$GLOBALS['table_prefix'] = $wpdb->get_blog_prefix();
if ( function_exists( 'wp_cache_switch_to_blog' ) ) {
wp_cache_switch_to_blog( $blog );
} else {
global $wp_object_cache;
if ( is_object( $wp_object_cache ) && isset( $wp_object_cache->global_groups ) ) {
$global_groups = $wp_object_cache->global_groups;
} else {
$global_groups = false;
}
wp_cache_init();
if ( function_exists( 'wp_cache_add_global_groups' ) ) {
if ( is_array( $global_groups ) ) {
wp_cache_add_global_groups( $global_groups );
} else {
wp_cache_add_global_groups( array( 'users', 'userlogins', 'usermeta', 'user_meta', 'useremail', 'userslugs', 'site-transient', 'site-options', 'blog-lookup', 'blog-details', 'rss', 'global-posts', 'blog-id-cache', 'networks', 'sites', 'site-details' ) );
}
wp_cache_add_non_persistent_groups( array( 'counts', 'plugins' ) );
}
}
/** This filter is documented in wp-includes/ms-blogs.php */
do_action( 'switch_blog', $blog, $prev_blog_id );
// If we still have items in the switched stack, consider ourselves still 'switched'
$GLOBALS['switched'] = ! empty( $GLOBALS['_wp_switched_stack'] );
return true;
}
/**
* Switches the initialized roles and current user capabilities to another site.
*
* @since 4.9.0
*
* @param int $new_site_id New site ID.
* @param int $old_site_id Old site ID.
*/
function wp_switch_roles_and_user( $new_site_id, $old_site_id ) {
if ( $new_site_id == $old_site_id ) {
return;
}
if ( ! did_action( 'init' ) ) {
return;
}
wp_roles()->for_site( $new_site_id );
wp_get_current_user()->for_site( $new_site_id );
}
/**
* Determines if switch_to_blog() is in effect
*
* @since 3.5.0
*
* @global array $_wp_switched_stack
*
* @return bool True if switched, false otherwise.
*/
function ms_is_switched() {
return ! empty( $GLOBALS['_wp_switched_stack'] );
}
/**
* Check if a particular blog is archived.
*
* @since MU (3.0.0)
*
* @param int $id The blog id
* @return string Whether the blog is archived or not
*/
function is_archived( $id ) {
return get_blog_status($id, 'archived');
}
/**
* Update the 'archived' status of a particular blog.
*
* @since MU (3.0.0)
*
* @param int $id The blog id
* @param string $archived The new status
* @return string $archived
*/
function update_archived( $id, $archived ) {
update_blog_status($id, 'archived', $archived);
return $archived;
}
/**
* Update a blog details field.
*
* @since MU (3.0.0)
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param int $blog_id BLog ID
* @param string $pref A field name
* @param string $value Value for $pref
* @param null $deprecated
* @return string|false $value
*/
function update_blog_status( $blog_id, $pref, $value, $deprecated = null ) {
global $wpdb;
if ( null !== $deprecated )
_deprecated_argument( __FUNCTION__, '3.1.0' );
if ( ! in_array( $pref, array( 'site_id', 'domain', 'path', 'registered', 'last_updated', 'public', 'archived', 'mature', 'spam', 'deleted', 'lang_id') ) )
return $value;
$result = $wpdb->update( $wpdb->blogs, array($pref => $value, 'last_updated' => current_time('mysql', true)), array('blog_id' => $blog_id) );
if ( false === $result )
return false;
clean_blog_cache( $blog_id );
if ( 'spam' == $pref ) {
if ( $value == 1 ) {
/** This filter is documented in wp-includes/ms-blogs.php */
do_action( 'make_spam_blog', $blog_id );
} else {
/** This filter is documented in wp-includes/ms-blogs.php */
do_action( 'make_ham_blog', $blog_id );
}
} elseif ( 'mature' == $pref ) {
if ( $value == 1 ) {
/** This filter is documented in wp-includes/ms-blogs.php */
do_action( 'mature_blog', $blog_id );
} else {
/** This filter is documented in wp-includes/ms-blogs.php */
do_action( 'unmature_blog', $blog_id );
}
} elseif ( 'archived' == $pref ) {
if ( $value == 1 ) {
/** This filter is documented in wp-includes/ms-blogs.php */
do_action( 'archive_blog', $blog_id );
} else {
/** This filter is documented in wp-includes/ms-blogs.php */
do_action( 'unarchive_blog', $blog_id );
}
} elseif ( 'deleted' == $pref ) {
if ( $value == 1 ) {
/** This filter is documented in wp-includes/ms-blogs.php */
do_action( 'make_delete_blog', $blog_id );
} else {
/** This filter is documented in wp-includes/ms-blogs.php */
do_action( 'make_undelete_blog', $blog_id );
}
} elseif ( 'public' == $pref ) {
/**
* Fires after the current blog's 'public' setting is updated.
*
* @since MU (3.0.0)
*
* @param int $blog_id Blog ID.
* @param string $value The value of blog status.
*/
do_action( 'update_blog_public', $blog_id, $value ); // Moved here from update_blog_public().
}
return $value;
}
/**
* Get a blog details field.
*
* @since MU (3.0.0)
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param int $id The blog id
* @param string $pref A field name
* @return bool|string|null $value
*/
function get_blog_status( $id, $pref ) {
global $wpdb;
$details = get_site( $id );
if ( $details )
return $details->$pref;
return $wpdb->get_var( $wpdb->prepare("SELECT %s FROM {$wpdb->blogs} WHERE blog_id = %d", $pref, $id) );
}
/**
* Get a list of most recently updated blogs.
*
* @since MU (3.0.0)
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param mixed $deprecated Not used
* @param int $start The offset
* @param int $quantity The maximum number of blogs to retrieve. Default is 40.
* @return array The list of blogs
*/
function get_last_updated( $deprecated = '', $start = 0, $quantity = 40 ) {
global $wpdb;
if ( ! empty( $deprecated ) )
_deprecated_argument( __FUNCTION__, 'MU' ); // never used
return $wpdb->get_results( $wpdb->prepare( "SELECT blog_id, domain, path FROM $wpdb->blogs WHERE site_id = %d AND public = '1' AND archived = '0' AND mature = '0' AND spam = '0' AND deleted = '0' AND last_updated != '0000-00-00 00:00:00' ORDER BY last_updated DESC limit %d, %d", get_current_network_id(), $start, $quantity ), ARRAY_A );
}
/**
* Retrieves a list of networks.
*
* @since 4.6.0
*
* @param string|array $args Optional. Array or string of arguments. See WP_Network_Query::parse_query()
* for information on accepted arguments. Default empty array.
* @return array|int List of WP_Network objects, a list of network ids when 'fields' is set to 'ids',
* or the number of networks when 'count' is passed as a query var.
*/
function get_networks( $args = array() ) {
$query = new WP_Network_Query();
return $query->query( $args );
}
/**
* Retrieves network data given a network ID or network object.
*
* Network data will be cached and returned after being passed through a filter.
* If the provided network is empty, the current network global will be used.
*
* @since 4.6.0
*
* @global WP_Network $current_site
*
* @param WP_Network|int|null $network Optional. Network to retrieve. Default is the current network.
* @return WP_Network|null The network object or null if not found.
*/
function get_network( $network = null ) {
global $current_site;
if ( empty( $network ) && isset( $current_site ) ) {
$network = $current_site;
}
if ( $network instanceof WP_Network ) {
$_network = $network;
} elseif ( is_object( $network ) ) {
$_network = new WP_Network( $network );
} else {
$_network = WP_Network::get_instance( $network );
}
if ( ! $_network ) {
return null;
}
/**
* Fires after a network is retrieved.
*
* @since 4.6.0
*
* @param WP_Network $_network Network data.
*/
$_network = apply_filters( 'get_network', $_network );
return $_network;
}
/**
* Removes a network from the object cache.
*
* @since 4.6.0
*
* @global bool $_wp_suspend_cache_invalidation
*
* @param int|array $ids Network ID or an array of network IDs to remove from cache.
*/
function clean_network_cache( $ids ) {
global $_wp_suspend_cache_invalidation;
if ( ! empty( $_wp_suspend_cache_invalidation ) ) {
return;
}
foreach ( (array) $ids as $id ) {
wp_cache_delete( $id, 'networks' );
/**
* Fires immediately after a network has been removed from the object cache.
*
* @since 4.6.0
*
* @param int $id Network ID.
*/
do_action( 'clean_network_cache', $id );
}
wp_cache_set( 'last_changed', microtime(), 'networks' );
}
/**
* Updates the network cache of given networks.
*
* Will add the networks in $networks to the cache. If network ID already exists
* in the network cache then it will not be updated. The network is added to the
* cache using the network group with the key using the ID of the networks.
*
* @since 4.6.0
*
* @param array $networks Array of network row objects.
*/
function update_network_cache( $networks ) {
foreach ( (array) $networks as $network ) {
wp_cache_add( $network->id, $network, 'networks' );
}
}
/**
* Adds any networks from the given IDs to the cache that do not already exist in cache.
*
* @since 4.6.0
* @access private
*
* @see update_network_cache()
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param array $network_ids Array of network IDs.
*/
function _prime_network_caches( $network_ids ) {
global $wpdb;
$non_cached_ids = _get_non_cached_ids( $network_ids, 'networks' );
if ( !empty( $non_cached_ids ) ) {
$fresh_networks = $wpdb->get_results( sprintf( "SELECT $wpdb->site.* FROM $wpdb->site WHERE id IN (%s)", join( ",", array_map( 'intval', $non_cached_ids ) ) ) );
update_network_cache( $fresh_networks );
}
}
/**
* Handler for updating the site's last updated date when a post is published or
* an already published post is changed.
*
* @since 3.3.0
*
* @param string $new_status The new post status
* @param string $old_status The old post status
* @param object $post Post object
*/
function _update_blog_date_on_post_publish( $new_status, $old_status, $post ) {
$post_type_obj = get_post_type_object( $post->post_type );
if ( ! $post_type_obj || ! $post_type_obj->public ) {
return;
}
if ( 'publish' != $new_status && 'publish' != $old_status ) {
return;
}
// Post was freshly published, published post was saved, or published post was unpublished.
wpmu_update_blogs_date();
}
/**
* Handler for updating the current site's last updated date when a published
* post is deleted.
*
* @since 3.4.0
*
* @param int $post_id Post ID
*/
function _update_blog_date_on_post_delete( $post_id ) {
$post = get_post( $post_id );
$post_type_obj = get_post_type_object( $post->post_type );
if ( ! $post_type_obj || ! $post_type_obj->public ) {
return;
}
if ( 'publish' != $post->post_status ) {
return;
}
wpmu_update_blogs_date();
}
/**
* Handler for updating the current site's posts count when a post is deleted.
*
* @since 4.0.0
*
* @param int $post_id Post ID.
*/
function _update_posts_count_on_delete( $post_id ) {
$post = get_post( $post_id );
if ( ! $post || 'publish' !== $post->post_status || 'post' !== $post->post_type ) {
return;
}
update_posts_count();
}
/**
* Handler for updating the current site's posts count when a post status changes.
*
* @since 4.0.0
* @since 4.9.0 Added the `$post` parameter.
*
* @param string $new_status The status the post is changing to.
* @param string $old_status The status the post is changing from.
* @param WP_Post $post Post object
*/
function _update_posts_count_on_transition_post_status( $new_status, $old_status, $post = null ) {
if ( $new_status === $old_status ) {
return;
}
if ( 'post' !== get_post_type( $post ) ) {
return;
}
if ( 'publish' !== $new_status && 'publish' !== $old_status ) {
return;
}
update_posts_count();
}
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